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Hyperbaric Chamber Design and Installation Requirements

Published at Apr 10, 2018 4:44:36 PM

There are many factors to consider during the design of a suitable and comfortable hyperbaric center.  Drass can support customers in the layout design of hyperbaric facilities focusing specifically on safety and conformity of statutory regulations.

Read this blog post to find out!

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Index:
  • System Design and Installation
  • Piping Design and Installation
  • Electrical Design and Installation

 

 

System Design and Installation

There are many factors to consider during the design of a suitable and comfortable hyperbaric center.

Drass can support customers in the layout design of hyperbaric facilities focusing specifically on safety and conformity of statutory regulations. Drass’s customized solution considers all aspects of the Hyperbaric Medical Center including medical personnel room and services, administration/technical rooms and services, and patient flow paths and their needs

With its specialists, Drass studies the interior and exterior of the facility providing high-end ergonomic solutions that simplify normal operations and supply an appropriate level of comfort to patients and medical personnel alike.

The hyperbaric chamber should be located on the building’s ground floor to permit easy emergency access for patients arriving by stretcher or wheelchair. In fact, the hyperbaric chamber is usually located close to both the ambulance’s arrival point and to A&E (Accident & Emergency department).

The area housing a hyperbaric chamber must be for the exclusive use of the hyperbaric operation to avoid interference with other medical activities. The chamber control panel is typically situated in the same room as the hyperbaric chamber, or in an adjacent control room with a viewing window to maintain visual contact with the hyperbaric chamber.

A hyperbaric chamber room requires an area of hollow floor where the chamber is initially positioned and subsequently aligned with the floor level. In some cases, a false floor arrangement is used to achieve a perfect level between the internal chamber floor and the external flooring of the surrounding room. This facilitates a smooth entrance and exit for wheeled stretchers and wheelchairs. In any case, an optimal room design, chamber foundations and concrete supports are of utmost importance.

Other considerations during the design phase include ensuring that there is sufficient room around the chamber to permit access to chamber viewports and the maintenance of hyperbaric chamber instrumentations and medical devices

The hyperbaric chamber room must be equipped with an emergency electrical power source enabling continual operation during a power failure without interruption to the therapy in progress. The room must also be equipped with a lighting system that automatically activates during a blackout.

A fire-fighting system and a suitable breathing system must be installed for use by the operators in the event of a fire as it is their responsibility to remain at the control panel during an emergency evacuation of the building.  A gas fire suppression system which is designed for manned areas is preferable because it does not interfere with electrical equipment.

The building must be a 2-hour fire-resistant rated construction equipped with fire doors. All furniture and equipment installed in the chamber room must be fire retardant and with a low production of toxic fumes. Furniture should be manufacturer certification attesting to its conformity with fire retardant standards.

 

Piping Design and Installation

Drass supplies the interface drawings of each part of the hyperbaric system and, case by case, depending on contract agreements, general schematics too. On these drawings, pipe system pressure and gas flow rates are clearly shown. As standard, pipe supports and pipe routing are made in compliance with EN ISO 7396-1 quality assurance standard.
The positioning of equipment such as compressors and pressure vessels for breathing gases should be decided with the criteria of minimizing piping length and facilitating pipe system maintenance. It is also important to evaluate the accessibility of piping to permit periodical inspection.
When pipelines are mounted in place, pipe distribution must be pressure tested and leak tested to verify mechanical integrity and level of sealing. Pipe tests are mandatory to demonstrate that the medical gas distribution system is safe and reliable, and a certificate is issued after each pressure test and leak test to record test results. All certificates are stored in a book of certificates to demonstrate gas piping installation compliance with rule requirements.
In this regard, Drass has qualified personnel and certified instruments to perform all pipework installation phases. Drass provides engineering support services that include the delivery of detailed drawings related to piping supports positioning. In this way, piping installation is faster and interference with other systems of the building is mitigated.
Drass collaborates with HOT Center design team to develop a gas piping topology aimed at minimizing piping. Shorter piping routes allow for the use of a smaller pipe diameter and reduce pressure drops, with a consequent reduction to piping costs.

 

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Electrical Design and Installation

Wire installation must be compliant with the international IEC 60364-7-710 standard and national rules. General criteria for proper electrical installation should also be followed to guarantee safety and the functionality of the electrical system.
IEC 60364-7-710 is a statutory regulation that defines requirements for wiring, safety devices and fire protection of medical locations with additional requirements than those imposed for domestic or civil electrical installations. Medical locations require a greater degree of protection from electrical risk due to the fact that patients are more vulnerable to the consequence of an electrical hazard.
Hyperbaric chambers are included in the highest category of medical operating rooms where a low voltage and special precautions against direct and indirect contact is required. In this respect, strict requirements must be applied to ground (or ‘earth’) electrical circuits in order to increase safety and avoid electrical interruptions. With the use of our specialized equipment, Drass can also be involved in the verification of proper ground resistance ensuring that the entire electrical installation is in full compliance with local and national legal requirements.
Wires are typically located in cable trays that run through the false ceiling of hyperbaric chamber rooms. Within the cable tray and ducts, the chamber system’s wires must be separated from the wires of other hospital systems.
Drass provides guidelines and specifications to enable the design of wire routing with necessary criteria to adhere to all requirements. Drass can also supply 3D designs of cable tray and supports which are very useful for the hyperbaric center’s in-house maintenance as well as any future update or expansion. 

A hyperbaric system’s maintenance plan is an intricate and detailed process involving different skills including mechanics, electrics, electronics and IT. 

 

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